Synchronization via arbitrary satellite signals

Oren Jean; Anthony J. Weiss

doi:10.1109/TSP.2014.2304928

Synchronization via arbitrary satellite signals

Oren Jean, Anthony J. Weiss

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We describe a method for establishing synchronization between stations using arbitrary signals from space of unknown origin. The method presented is based on time of arrival (TOA) measurements collected by wireless sensor network, with sensors at known locations. The same methods can be applied to TDOA measurements allowing the use of a larger family of signals. The structure of the measurements model is exploited to enable computationally efficient synchronization of the network. A by-product is the identification of the azimuth and elevation of the signals from space. A tool for predicting the synchronization accuracy at any error levels has been devised. Simulation results are presented and compared with the theoretical bound and the predicted performance curve.

Original language	English
Article number	6733318
Pages (from-to)	2042-2055
Number of pages	14
Journal	IEEE Transactions on Signal Processing
Volume	62
Issue number	8
DOIs	https://doi.org/10.1109/TSP.2014.2304928
State	Published - 15 Apr 2014

Keywords

Cramér-Rao lower bound
Maximum likelihood
Satellites
Synchronization
Time of arrival

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10.1109/TSP.2014.2304928

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AB - We describe a method for establishing synchronization between stations using arbitrary signals from space of unknown origin. The method presented is based on time of arrival (TOA) measurements collected by wireless sensor network, with sensors at known locations. The same methods can be applied to TDOA measurements allowing the use of a larger family of signals. The structure of the measurements model is exploited to enable computationally efficient synchronization of the network. A by-product is the identification of the azimuth and elevation of the signals from space. A tool for predicting the synchronization accuracy at any error levels has been devised. Simulation results are presented and compared with the theoretical bound and the predicted performance curve.

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Synchronization via arbitrary satellite signals

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Keywords

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